Supplier Page from Aladdin Scientific Corporation for Barium sulfate
3-Formyl-4-isopropoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation
5-Amino-2-methylbenzothiazole dihydrochloride from Aladdin Scientific Corporation
D-Glutamic acid from Aladdin Scientific Corporation